Abstract
To study the effect of zinc and boron on content and uptake of macronutrients by groundnut (Arachis hypogaea L.) a field experiment was conducted on sandy loam soil of Shivamogga (Karnataka) Typic Haplustalf deficient in available zinc and boron. Results showed that N, P and K contents in haulm and kernel, and their uptake was significantly increased due to application zinc sulphate at three level 5, 10 and 20 kg ha−1 either alone are in combination with borax @ 5 kg ha−1. However, borax a non significant relation was found with N content in haulm of groundnut due to application of zinc and boron. Application of borax did not influence the nitrogen content of the kernels also. Further the content and uptake of zinc increased in the treatment which received increased level of zinc application.
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